2421403401 has 16 divisors (see below), whose sum is σ = 3417543360. Its totient is φ = 1522355520.

The previous prime is 2421403373. The next prime is 2421403409. The reversal of 2421403401 is 1043041242.

It is not a de Polignac number, because 2421403401 - 2⁹ = 2421402889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421403409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319890 + ... + 327371.

It is an arithmetic number, because the mean of its divisors is an integer number (213596460).

Almost surely, 2^2421403401 is an apocalyptic number.

It is an amenable number.

2421403401 is a deficient number, since it is larger than the sum of its proper divisors (996139959).

2421403401 is a wasteful number, since it uses less digits than its factorization.

2421403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647336.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2421403401 is about 49207.7575286661. The cubic root of 2421403401 is about 1342.8341664045.

Adding to 2421403401 its reverse (1043041242), we get a palindrome (3464444643).

The spelling of 2421403401 in words is "two billion, four hundred twenty-one million, four hundred three thousand, four hundred one".